Question: The grade point averages of 14 randomly selected college students 2.3 3.3 2.6 1.8 3.1 4.0 0.7 2.3 2.0 3.1 3.4 1.3 2.6 2.6 Use

The grade point averages of 14 randomly selected college students

2.3     3.3     2.6     1.8     3.1     4.0     0.7     2.3     2.0     3.1     3.4     1.3     2.6     2.6


Use the data set to

(a) Find the sample mean, 

(b) Find the sample standard deviation, and 

(c) Construct a 99% confidence interval for the population mean. Assume the population is normally distributed.

Step by Step Solution

★★★★★

3.34 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a For the given data set the mean is calculated as Sample Mean 07 13 18 2 23 23 26 26 26 31 31 33 34 ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Elementary Statistics 7th Questions!

Q:

On April 1, Julie Chen established Miaolis Travel Agency. The following transactions were completed during the month. 1. Invested NT$15,000 cash to start the agency. 2. Paid NT$600 cash for April...

Q:

The grade point averages (GPA) of 15 randomly selected college students Use the data set to (a) Find the sample mean, (b) Find the sample standard deviation, (c) Construct a 99% confidence interval...

Q:

A researcher collects a simple random sample of grade-point averages of statistics students, and she calculates the mean of this sample. Under what conditions can that sample mean be treated as a...

Q:

The annual earnings of 14 randomly selected computer software engineers have a sample standard deviation of $3725. Use an 80% level of confidence. Assume the sample is from a normally distributed...

Q:

The grade point averages of 14 randomly selected college students 2.3 3.3 2.6 1.8 3.1 4.0 0.7 2.3 2.0 3.1 3.4 2.3 1.3 2.6 2.6

Q:

(9) Construct and interpret a Confidence Interval to estimate an entire population's Mean The grade point averages for 10 randomly selected college students are listed below. 2.0 3.2 1.8 2.9 0.9 4.0...

Q:

Calculatingmeasures of position of grouped data.help me please. The references is on what is it the yalu as of lower that follOWsWrite'yo 2;th '3'on your answer sheet. Filled. In (cf) and answer the...

Q:

Danae Coleman is single and lives at 5411 Melbourne Avenue, Chicago, IL 60455. She is a supervisor and her SSN is 412-34-5670. Using the following information, complete her tax return for 2020: She...

Q:

**USE PYTHON ONLY** Using the following CSV answer the questions below: Goals-Total Saves ShotsShots to- shots Penalties to- on off Shooting shots (inc. Hit Penaltynot Headed Passes Passing Corners...

Q:

File Home Insert Page Layout View Formulas Data Review View Automate Search (Alt+Q) Help Darjan PROTECTED VIEW This file has been verified by Microsoft Defender Advanced Threat Protection and it...

Q:

Data Analysis Exercise Customer Time 1 55 2 54 3 25 4 28 5 142 6 49 7 38 8 10 9 13 10 47 11 47 12 40 13 75 14 57 15 53 16 73 17 94 18 62 19 46 20 20 21 34 22 70 23 33 24 34 25 65 26 23 27 58 28 31 29...

Q:

Perform the carnot cycle and all the mathematical information. Explain this cicle.

Q:

Consider the R - R function (x,y)=x + y +1 (a) Find the Cartesian equation for the plane tangent to the graph off at the point where (x, y) = (1,1). (5) (b) Use the Chain Rule to determine (for) (0),...

Q:

Anticipates overstatement errors The use of the ratio estimation sampling technique is most effective when * 1 point Large overstatement differences and large understatement differences exist in the...

Q:

What do economists mean when they say that the shortrun competitive equilibrium is efficient?

Q:

The diameters (in inches) of 18 randomly selected bolts produced by a machine are listed. Use a 95% level of confidence. Assume the sample is from a normally distributed population and construct the...

Q:

The annual earnings (in thousands of dollars) of 21 randomly selected clinical pharmacists are listed. Use a 99% level of confidence. Assume the sample is from a normally distributed population and...

Q:

The final exam scores of 24 randomly selected students in a statistics class are shown in the table at the left. Use a 95% level of confidence. Assume the sample is from a normally distributed...

Q:

Michael's, Inc. just paid $2.05 to its shareholders as the annual dividend. Simultaneously, the company announced that future dividends will be increasing by 4.50 percent. If you require a rate of...

Q:

The following is part of the computer output from a regression of monthly returns on Waterworks stock against the S\&P 500 index. A hedge fund manager believes that Waterworks is underpriced, with an...

Q:

3. a needy family consisting of a mother and three children currently receives cash benefits that average $12 per day. The mother of this family is allowed to earn an average of $4 per day before her...